Writing instrument



FIG. 1 is a perspective view of a writing instrument showing our new design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a back view of FIG. 1;

FIG. 4 is a right side view of FIG. 1, the left side view being a mirror image of the right side view;

FIG. 5 is an enlarged top view of FIG. 1;

FIG. 6 is an enlarged bottom view of FIG. 1;

FIG. 7 is a perspective view of the writing instrument of FIGS. 1-6 in an alternative configuration in which the writing instrument is expanded but otherwise unchanged;

FIG. 8 is a right side view of FIG. 8;

FIG. 9 is a perspective view of the writing instrument of FIGS. 7-8 in an environment; and,

FIG. 10 is a reversed perspective view of FIG. 9.

The broken lines in the drawings of FIGS. 1-10 are included to show portions of the writing instrument and an article in the environment that form no part of the claimed design. 

CLAIM We claim the ornamental design for a writing instrument, as shown and described. 